yutoacts commented on a change in pull request #34718:
URL: https://github.com/apache/spark/pull/34718#discussion_r759994496
##########
File path: docs/sql-ref-syntax-ddl-alter-database.md
##########
@@ -21,25 +21,47 @@ license: |
### Description
-You can alter metadata associated with a database by setting `DBPROPERTIES`.
The specified property
-values override any existing value with the same property name. Please note
that the usage of
-`SCHEMA` and `DATABASE` are interchangeable and one can be used in place of
the other. An error message
-is issued if the database is not found in the system. This command is mostly
used to record the metadata
-for a database and may be used for auditing purposes.
+`ALTER DATABASE` statement changes the properties or location of a database.
Please note that the usage of
+`DATABASE`, `SCHEMA` and `NAMESPACE` are interchangeable and one can be used
in place of the others. An error message
+is issued if the database is not found in the system.
-### Syntax
+### ALTER PROPERTIES
+`ALTER DATABASE SET DBPROPERTIES` statement changes the properties associated
with a database.
+The specified property values override any existing value with the same
property name.
+This command is mostly used to record the metadata for a database and may be
used for auditing purposes.
+
+#### Syntax
```sql
-ALTER { DATABASE | SCHEMA } database_name
- SET DBPROPERTIES ( property_name = property_value [ , ... ] )
+ALTER { DATABASE | SCHEMA | NAMESPACE } database_name
+ SET { DBPROPERTIES | PROPERTIES } ( property_name = property_value [ , ...
] )
```
-### Parameters
+#### Parameters
* **database_name**
Specifies the name of the database to be altered.
+### ALTER LOCATION
+`ALTER DATABASE SET LOCATION` statement changes the default parent-directory
where new tables will be added
+for a database. Please note that it does not move the contents of the
database's current directory to the newly
+specified location or change the locations associated with any
tables/partitions under the specified database
+(available in Hive 3.0.0 and later).
Review comment:
Thanks for the review. I mentioned the Hive version here because the
usability of the `ALTER DATABASE SET LOCATION` command depends on the version
of the Hive metastore.
I can add the Spark version here (Spark 3.0.0 and later) but I think it's
still good to write about Hive.
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